The difference between pregnancy and flab, which is actually the difference between pregnancy and gaining weight, can be determined by whether there is a history of menopause, early pregnancy reaction, and the parts of the body that have gained weight. 1. In general, pregnancy has a history of menopause, and if menstruation appears to be delayed for more than seven days, it is considered that there is a possibility of pregnancy, while the fattening is not. 2. Most pregnant women have obvious early pregnancy reactions, such as nausea, vomiting drowsiness, fatigue, chest swelling, etc., while the fat on no early pregnancy reactions. 3. Pregnancy caused by the stomach becomes bigger, mainly in the abdomen, while fat is generally the whole body uniform fat. 4. If you lie down flat and check your abdomen with your hands, pregnant women can feel the enlarged uterus, while fat but there is no way to feel the hard tissue. Of course, to determine whether you are pregnant, you can use early pregnancy test paper to detect, or go to the hospital to check blood HCG, ultrasound.